[Openstack-stable-maint] Stable check of openstack/oslo.log for ref refs/heads/stable/train failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/e074f4106791450c95a47f60159655... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ed71b4f9ad804befa30f97f1092a7709 : SUCCESS in 2m 55s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1354e71986224da3ba421baffb66b353 : SUCCESS in 3m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9ac930842b6f4515a5c9826616768a34 : FAILURE in 2m 57s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/85d3c91030424a3a883c86becc23cdb3 : FAILURE in 2m 33s